Index: head/audio/Makefile
===================================================================
--- head/audio/Makefile
+++ head/audio/Makefile
@@ -415,6 +415,7 @@
     SUBDIR += libmpdclient
     SUBDIR += libmusicbrainz3
     SUBDIR += libmusicbrainz5
+    SUBDIR += libmusicxml
     SUBDIR += libnjb
     SUBDIR += libnoise
     SUBDIR += libogg
Index: head/audio/libmusicxml/Makefile
===================================================================
--- head/audio/libmusicxml/Makefile
+++ head/audio/libmusicxml/Makefile
@@ -0,0 +1,29 @@
+# $FreeBSD$
+
+PORTNAME=	libmusicxml
+DISTVERSION=	3.11
+CATEGORIES=	audio
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	Library and tools for the MusicXML format
+
+LICENSE=	MPL20
+LICENSE_FILE=	${WRKSRC}/license.txt
+
+USES=		cmake:outsource
+USE_GITHUB=	yes
+GH_ACCOUNT=	grame-cncm
+GH_TAGNAME=	91347ae
+USE_LDCONFIG=	yes
+CMAKE_SOURCE_PATH=	${WRKSRC}/build
+
+OPTIONS_DEFINE=	DOCS
+PORTDOCS=	*
+
+post-build-DOCS-on:
+	@${MKDIR} ${STAGEDIR}${DOCSDIR}
+	${INSTALL_DATA} \
+		${WRKSRC}/doc/presentation/libmusicxml2.pdf \
+		${STAGEDIR}${DOCSDIR}
+
+.include <bsd.port.mk>
Index: head/audio/libmusicxml/distinfo
===================================================================
--- head/audio/libmusicxml/distinfo
+++ head/audio/libmusicxml/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1509525124
+SHA256 (grame-cncm-libmusicxml-3.11-91347ae_GH0.tar.gz) = 4f9a7009631a2baca9cfa4898603abd851f6be72f5e8d9d0eb5c0cfdc2ffcb55
+SIZE (grame-cncm-libmusicxml-3.11-91347ae_GH0.tar.gz) = 3106105
Index: head/audio/libmusicxml/files/patch-build_CMakeLists.txt
===================================================================
--- head/audio/libmusicxml/files/patch-build_CMakeLists.txt
+++ head/audio/libmusicxml/files/patch-build_CMakeLists.txt
@@ -0,0 +1,11 @@
+--- build/CMakeLists.txt.orig	2017-10-30 10:42:38 UTC
++++ build/CMakeLists.txt
+@@ -146,7 +146,7 @@ endif()
+ if(NOT APPLE)
+ install ( TARGETS ${target} ${TOOLS} 
+ 	RUNTIME DESTINATION bin 
+-    	LIBRARY DESTINATION /usr/lib 
++    	LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib 
+     	ARCHIVE DESTINATION lib 
+ #    	FRAMEWORK DESTINATION "/Library/Frameworks" CONFIGURATIONS Release
+     	PUBLIC_HEADER DESTINATION include/libmusicxml
Index: head/audio/libmusicxml/pkg-descr
===================================================================
--- head/audio/libmusicxml/pkg-descr
+++ head/audio/libmusicxml/pkg-descr
@@ -0,0 +1,5 @@
+The MusicXML format represents common Western musical notation from the
+17th century onwards. It is an xml format that organizes the music into
+a header followed by the core music data.
+
+WWW: https://github.com/grame-cncm/libmusicxml
Index: head/audio/libmusicxml/pkg-plist
===================================================================
--- head/audio/libmusicxml/pkg-plist
+++ head/audio/libmusicxml/pkg-plist
@@ -0,0 +1,49 @@
+bin/xml2guido
+bin/xmltranspose
+include/libmusicxml/basevisitor.h
+include/libmusicxml/bimap.h
+include/libmusicxml/browser.h
+include/libmusicxml/clefvisitor.h
+include/libmusicxml/clonevisitor.h
+include/libmusicxml/conversions.h
+include/libmusicxml/ctree.h
+include/libmusicxml/elements.h
+include/libmusicxml/exports.h
+include/libmusicxml/factory.h
+include/libmusicxml/functor.h
+include/libmusicxml/guido.h
+include/libmusicxml/keysignvisitor.h
+include/libmusicxml/keyvisitor.h
+include/libmusicxml/libmusicxml.h
+include/libmusicxml/metronomevisitor.h
+include/libmusicxml/midicontextvisitor.h
+include/libmusicxml/musicxmlfactory.h
+include/libmusicxml/notevisitor.h
+include/libmusicxml/partlistvisitor.h
+include/libmusicxml/partsummary.h
+include/libmusicxml/rational.h
+include/libmusicxml/reader.h
+include/libmusicxml/singleton.h
+include/libmusicxml/smartlist.h
+include/libmusicxml/smartpointer.h
+include/libmusicxml/sortvisitor.h
+include/libmusicxml/timesignvisitor.h
+include/libmusicxml/transposevisitor.h
+include/libmusicxml/transposition.h
+include/libmusicxml/tree_browser.h
+include/libmusicxml/typedefs.h
+include/libmusicxml/types.h
+include/libmusicxml/unrolled_clonevisitor.h
+include/libmusicxml/unrolled_xml_tree_browser.h
+include/libmusicxml/versions.h
+include/libmusicxml/visitable.h
+include/libmusicxml/visitor.h
+include/libmusicxml/xml.h
+include/libmusicxml/xml2guidovisitor.h
+include/libmusicxml/xml_tree_browser.h
+include/libmusicxml/xmlfile.h
+include/libmusicxml/xmlpart2guido.h
+include/libmusicxml/xmlreader.h
+include/libmusicxml/xmlvisitor.h
+lib/libmusicxml2.so
+lib/libmusicxml2.so.3.11